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7. CIRCUIT DIAGRAM
ANT500
ANT501
R500
SW500
0
L500
R518
3.3nH
0
KMS-506
C503
G2
ANT
RF
G1
56p
C505
C506
ENWY0002301
L502
1.5p
NA
100nH
ANT_SEL0
FL502
ANT_SEL1
LMSP43QA-539-TEMP
GSM850_RX1
10
VC1
GSM850_RX2
11
VC2
C514
C515
GSM900_RX1
33p
33p
12
VDD
GSM900_RX2
9
GND1
GSM1800_RX1
13
GND2
GSM1800_RX2
14
GND3
16
L501
GND4
GSM1900_RX1
18
VRF_SMPS
GND5
GSM1900_RX2
19
15nH
GND6
21
GND7
GSM1800_1900_TX
22
C509
C554
GND8
GSM850_900_TX
0.1u
33p
SFAY0008601
ANTENNA SWITCH MODULE LOGIC
ANT_SEL0
ANT_SEL1
GSM 850/GSM 900 TX
LOW
HIGH
GSM 1800/GSM 1900 TX
HIGH
HIGH
GSM 850 RX
LOW
-
LOW
-
GSM 900 RX
LOW
LOW
GSM 1800 RX
HIGH
LOW
GSM 1900 RX
HIGH
LOW
TCXO Circuit
X500
R517
1
4
RTR_TRK_LO_ADJ
VCONT
VCC
100ohm
2
3
C551
GND
OUT
0.01u
19.2MHz
EXSK0007802
TG-5010LH_19_2M_75A
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
L509
18nH
C553
GSM850(869-894 MHz)
NA
L511
18nH
L503 6.8nH
DCS(1805-1880 MHz)
1
L505
2
6.8nH
3
4
L506
6.8nH
5
6
PCS(1930-1990 MHz)
L508
7
6.8nH
8
15
17
GSM_PA_BAND
MODE
LOW
GSM
HIGH
DCS/PCS
R510
VBAT
2.2K
C533
C538
C534
100p
68p
22u
(1608)
TQM7M5008
C539
C540
14
1
GND6
DCS_PCS_IN
33p
3.3p
13
2
GND5
BS
L512
12
3
3.3nH
VCC
TX_EN
U501
11
TQM7M5008
4
GND4
VBATT
10
5
GND3
GND1
L513
C541
FL501
9
6
GSM_OUT
VRAMP
EFCH836MTDB1
4.7nH
15p
8
7
SFSY0030301
GND2
GSM_IN
L514
18nH
VTCXO_2.85V
C542
C544
1000p
0.1uF
100p
C548
TCXO_PM_19.2MHz
1000p
C552
TCXO_RTR_19.2MHz
55
ENV_OUT
46
HB_RF_OUT1
L510
C507
6p
44
DCS_PCS_TX
HB_RF_OUT2
NA
C510
4p
43
GSM_TX
LB_RF_OUT1
42
LB_RF_OUT2
24
RTR_TX_ON
RF_ON
56
RTR_TX_AGC_ADJ
VCONTROL
L504
15nH
54
RTR_DAC_REF
DAC_REF
U500
14
C517
SBDT
R501
12p
(1%)
12K
3
RTR6275
R_BIAS1
27
R_BIAS2
R502
SSBDT_RTR
(1%)
L507
680
12nH
31
GCELL_INP
30
GCELL_INN
32
EGSM_INP
33
EGSM_INN
38
DCS_INP
39
DCS_INN
36
GPCS_INP
37
GPCS_INN
Rev.F
22
CAL_INP
23
CAL_INN
26
WLNA_IN
R509
VMSMP_2.6V
100
GSM_PA_RAMP
C535
C536
0.01u
1000p
GSM_PA_BAND
GSM_PA_EN
R511
DCS_PCS_TX
18
R512
R513
300
300
3 dB
4
5
R514
O1
G3
1
IN
GSM_TX
G2
G1
18
3
2
R515
R516
300
300
3 dB
- 137 -
RTR_TXIP
C500
180p
C501
180p
RTR_TXIM
2
ENV_LNP
RTR_TXQP
1
ENV_LNN
C508
180p
51
TX_IP
50
TX_IN
C511
53
TX_QP
180p
52
TX_QN
RTR_TXQM
7
TCXO
TCXO_RTR_19.2MHz
5
C512
3300p
VTUNE1
18
C513
1000p
VTUNE2
VTUNE-Connected directly to GND
12
RX_IP
RTR_RXIP
13
RX_IN
RTR_RXIM
10
RX_QP
RTR_RXQP
11
RX_QN
RTR_RXQM
40
PWD_DET_IN
21
TEST
R503
5.1
4
VSYNT_2.85V
VDDA1
6
R504
2.2
VDDA2
C518
8
1u
VDDA3
9
VDDA4
15
R505
DNI
VDDA5
16
R506
2.2
VDDA6
19
R507
5.1
VDDA7
VRF_SMPS
20
VDDA8
C519
C520
R508
10
28
VDDA9
10u
1000p
41
VDDA10
smd_1608h_9_r
45
VDDA11
47
VDDA12
48
VDDA13
49
VDDA14
VRF_SMPS_SENSE
C537
22p
LGE Internal Use Only
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